Home / 3,828,342.10-5,283,347.44-2,109,462.16

Finding the Fourth Proportional to 3,828,342.10, 5,283,347.44 and 2,109,462.16

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Solution

The fourth proportional to 3,828,342.10, 5,283,347.44 and 2,109,462.16 is: 2,911,187.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828,342.10 : 5,283,347.44 = 2,109,462.16 : x
  2. Step 2: Convert to fraction form
    3,828,342.10/5,283,347.44 = 2,109,462.16/x
  3. Step 3: Cross multiply
    3,828,342.10x = 5,283,347.44 × 2,109,462.16
  4. Step 4: Simplify right side
    3,828,342.10x = 11,145,021,502,812.87
  5. Step 5: Solve for x
    x = 11,145,021,502,812.87/3,828,342.10
  6. Step 6: Final answer
    x = 2,911,187.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.